Binary package “libstdc++-12-pic-i386-cross” in ubuntu mantic

GNU Standard C++ Library v3 (shared library subset kit) (i386)

 This is used to develop subsets of the libstdc++ shared libraries for
 use on custom installation floppies and in embedded systems.
 .
 Unless you are making one of those, you will not need this package.
 .
 This package contains files for i386 architecture, for use in cross-compile
 environment.